Everyone already knows white lives matter. Sadly, black people have to remind the country, especially the police, every few years or so that their lives matter, too.
White Entertainment Television?
The network does exist, actually. I'll list some of its subsidiaries:
NBC
ABC
CBS
Fox
CW
ion
myTV
PBS
Bloomberg
FOX NEWS
CNN
HLN
CNBC
TBS
TNT
USA
Lifetime
nick
Disney
Syfy
Comedy Central
E!
FX
Spike
Esquire
Food
FS1
CSN
ESPN
ESPN2
NFLN
MLBN
..and several others.